Unlock instant, AI-driven research and patent intelligence for your innovation.

Method for realizing cross-mixed network multi-protocol tag exchange virtual special network

A multi-protocol labeling and switching virtual technology, applied in the field of BGP/MPLS VPN implementation, can solve the problems of not providing BGP/MPLSVPN

Inactive Publication Date: 2008-05-07
HUAWEI TECH CO LTD
View PDF4 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0039] In this technical solution, the backbone network is IPv4 or IPv6 single autonomous system, and the VPN user site is IPv6 network. The communication problem between VPN sites is solved, but for BGP / MPLS VPN backbone network is IPv4 / v6 across multiple autonomous systems. Mixed network, and the VPN user site is also an IPv4 / v6 mixed network, but no specific solution is proposed
[0040] To sum up, for the case where the MPLS backbone network is an IPv4 / v6 hybrid network that spans multiple autonomous systems, and the VPN user site is also an IPv4 / v6 hybrid network, there is currently no specific solution to implement the corresponding BGP / MPLS VPN

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Method for realizing cross-mixed network multi-protocol tag exchange virtual special network
  • Method for realizing cross-mixed network multi-protocol tag exchange virtual special network
  • Method for realizing cross-mixed network multi-protocol tag exchange virtual special network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0077] The core of the present invention is aimed at the simultaneous existence of IPv4 network and IPv6 network that will inevitably occur during the transition process from IPv4 to IPv6 network, and proposes that the MPLS backbone network and VPN user network are both IPv4 / v6 hybrid networks. A solution for BGP / MPLS VPN services across multiple autonomous systems, including communication between VPN user sites whose VPN user networks are of the same IP version or different IP versions.

[0078] In order to have a further understanding of the present invention, the MPLS backbone network will be an example of a hybrid network composed of an IPv4 network and an IPv6 network below, and the similar networks and heterogeneous websites in the BGP / MPLS VPN across multiple autonomous system IPv4 / v6 hybrid networks will be analyzed respectively. Point-to-point communication is described in detail.

[0079] Firstly, the communication between VPN sites of the same kind will be described...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method for realizing the MPLS-VPN across the hybrid network includes: at first, configuring the IPV4 protocol stack and the IPV6 protocol stack on the edge devices of the MPLS-VPN self-control system and the provider respectively; then performing the announcement of the VPN route among the user networks through the edge devices configured with the IPV4 protocol stack and the IPV6 protocol stack; after the route announcement, the host among the user networks transferring the service flow according to the route information. The realization of the present invention can provide the corresponding BGP / MPLS VPN scheme during the transition from IPV4 to IPV6 when the MPLS backbone network is formed by the hybrid networks provided by multiple providers and the VPN network is also the hybrid network of the IPV4 and IPV6.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a BGP / MPLS VPN implementation method spanning IPv4 and IPv6 mixed networks. Background technique [0002] BGP (Border Gateway Protocol) / MPLS VPN (Multiprotocol Label Switching Virtual Private Network) is a layer-3 VPN technology that combines BGP protocol with MPLS technology to provide VPN services. Use the multi-protocol extended attribute in the BGP protocol to carry the labeled VPN route, and carry the attribute value identifying the specific VPN in the extended community attribute to advertise the VPN route; then MPLS encapsulates and forwards the VPN service flow according to the VPN route, so as to This implements VPN routing and isolation and transfer of business flows, and provides VPN services. [0003] At present, in the relevant draft draft-ietf-ppvpn-rfc2547 bis-04, an implementation scheme is proposed for the IPv4 network across multiple autonomous sy...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/66H04L12/56H04L29/06
CPCH04L69/16H04L69/167H04L45/50H04L29/06095H04L12/4641H04L29/06142H04L45/00
Inventor 张宏科郜帅谷志慧李德丰刘颖
Owner HUAWEI TECH CO LTD